1 Food Animal Health Research Program, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691, United States; Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Sadat City, Menoufia, Egypt.
2 Department of Poultry Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
3 Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Sadat City, Menoufia, Egypt.
4 National Laboratory for Veterinary Quality Control on Poultry Production, P.O. Box 246 - Dokki, Giza 12618, Egypt.
5 Department of Virology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
6 Food Animal Health Research Program, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691, United States; Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Wooster, OH 44691, United States.
7 Food Animal Health Research Program, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691, United States; Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Wooster, OH 44691, United States. Electronic address: lee.2854@osu.edu.